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Bug #4183

open

(sshd) Unable to forward TCP port

Added by Rome Novikov over 7 years ago. Updated over 7 years ago.

Status:
New
Priority:
Urgent
Assignee:
Category:
OS/Net (Kernel and Userland)
Target version:
-
Start date:
2013-10-06
Due date:
% Done:

0%

Estimated time:
Difficulty:
Medium
Tags:
ssh

Description

Hi! I'm trying to forward a TCP port from localhost of the remote server to the local machine using SSH. After the SSH connection is established I try to use the forwarded port but the tunnel is not working and a get the following error in /var/adm/messages : Oct 6 13:27:12 hisoft-oisrvh01 sshd1543: [ID 800047 auth.error] error: setsockopt TCP_NODELAY: Invalid argument
Nevertheless the telnet shows that the tunneling connection is established - I can put lines as many as I want but respondless.. And I see no warnings in terminal. X11 connections work Ok - I can use GUI-applications remotely (with -X).
So I put the "AllowTcpForwarding yes" option into sshd_config and restarted sshd but useless.
I don't know if it is a new security feature or a bug but the ssh-tunneling is a main thing I use for my work..
Please help me to resolve the problem - it's very important at least for my job...

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